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Tornadoes can uproot trees and other plants, which can result in a little bit less oxygen. Animals that relied on the plants for food would possibly die. The uprooting of plants can cause soil erosion, which means that plants will not grow well and animals will still not have enough supply of food. This can completely disrupt the food web of the ecosystem.

Tornadoes can also contaminate water supplies by transporting debris. Like floods, the contents of destroyed buildings can be dropped off. The possibly toxic material can pollute the groundwater if it is left on land, or it can pollute a visible body of water like a lake. Neither of these possiblities is helpful to the environment, as the loss of water can be harmful to us and other animals.